function toggleUser() {
  var navList = document.getElementById("user_card");
  if (navList.style.display === "none") {
    navList.style.display = "block";
  } else {
    navList.style.display = "none";
  }
}
function toggleOrder() {
  var navList = document.getElementById("order_card");
  if (navList.style.display === "none") {
    navList.style.display = "block";
  } else {
    navList.style.display = "none";
  }
}
